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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/65962] Missed vectorization of strided stores
Date: Thu, 22 Oct 2015 13:34:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65962

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Oct 22 13:33:17 2015
New Revision: 229172

URL: https://gcc.gnu.org/viewcvs?rev=229172&root=gcc&view=rev
Log:
2015-10-22  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/19049
        PR tree-optimization/65962
        * tree-vect-data-refs.c (vect_analyze_group_access_1): Fall back
        to strided accesses if single-element interleaving doesn't work.

        * gcc.dg/vect/vect-strided-store-pr65962.c: New testcase.
        * gcc.dg/vect/vect-63.c: Adjust.
        * gcc.dg/vect/vect-70.c: Likewise.
        * gcc.dg/vect/vect-strided-u8-i2-gap.c: Likewise.
        * gcc.dg/vect/vect-strided-a-u8-i2-gap.c: Likewise.
        * gfortran.dg/vect/pr19049.f90: Likewise.
        * gfortran.dg/vect/vect-8.f90: Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/vect/vect-63.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-70.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-strided-a-u8-i2-gap.c
    trunk/gcc/testsuite/gcc.dg/vect/vect-strided-u8-i2-gap.c
    trunk/gcc/testsuite/gfortran.dg/vect/pr19049.f90
    trunk/gcc/testsuite/gfortran.dg/vect/vect-8.f90
    trunk/gcc/tree-vect-data-refs.c